2 files changed, 65 insertions, 0 deletions
diff --git a/examples/dht22usart/dht22.c b/examples/dht22usart/dht22.c
new file mode 100644
index 0000000..97a91ee
--- /dev/null
+++ b/examples/dht22usart/dht22.c
@@ -0,0 +1,26 @@
+#include <avr/io.h>
+#include <avr/interrupt.h>
+#include <util/delay.h>
+#include <string.h>
+#include "../../usart.h"
+#include "../../sensor_dht22.h"
+
+void rec(uint8_t data) {
+    if (data == '\r') {
+        // TODO read sensor and send data
+    }
+}
+
+const struct dht22_port dht22_ports[] = {
+    {&DDRC, &PORTC, &PINC, _BV(PORTC4), NULL, 0}
+};
+
+int main() {
+    //usart_async_open();
+    //sei();
+    //usart_receive = rec;
+    //dht22_init(0);
+
+    timer_init(COUNTER0_PWM);
+    while (1);
+}
diff --git a/examples/dht22usart/makefile b/examples/dht22usart/makefile
new file mode 100644
index 0000000..214aa63
--- /dev/null
+++ b/examples/dht22usart/makefile
@@ -0,0 +1,39 @@
+MAKEFLAGS += --no-builtin-rules
+
+MMCU = atmega328p
+F_CPU = 16000000L
+IOE_PREFIX = ../..
+IOE_SHORTOUTPUT=y
+IOE_CFLAGS = -Os -ffunction-sections -fdata-sections -fshort-enums -Wall \
+			 -DF_CPU=$(F_CPU) -mmcu=$(MMCU) \
+			 -DCONFIG_IOE_USART \
+			 -DCONFIG_IOE_USART_OUTBUFFER_SIZE=64 \
+			 -DCONFIG_IOE_USART_OUTBUFFER_MODE=0 \
+			 -DCONFIG_IOE_USART_OUTFILE \
+			 -DCONFIG_IOE_USART_BAUD=115200 \
+			 -DCONFIG_IOE_USART_PARITY=USART_PARITY_NONE \
+			 -DCONFIG_IOE_USART_STOPBIT=USART_STOPBIT_SINGLE \
+			 -DCONFIG_IOE_USART_DATABITS=8 \
+			 -DCONFIG_IOE_TIMERS \
+			 -DCONFIG_IOE_SENSOR_DHT22
+
+all: dht22.hex
+	@echo Now you can flash dht22.hex to your chip.
+
+clean: ioeclean
+	$(RM) dht22.o
+	$(RM) dht22.elf dht22.hex
+
+include ../../avr-ioe.mk
+
+dht22.elf: %.elf: $(IOE_OBJ) dht22.o
+	@echo " LD       $@"
+	@avr-gcc -Os -mmcu=$(MMCU) $^ -o $@
+
+dht22.hex: %.hex: %.elf
+	@echo " OBJCOPY  $@"
+	@avr-objcopy -O ihex -R .eeprom $< $@
+
+dht22.o: %.o: %.c
+	@echo " CC       $@"
+	@avr-gcc $(IOE_CFLAGS) -c -o $@ $<